RRB NTPC SAMPLE PAPER - GENERAL AWARENESS - 67

1. A clone is a colony of

(a) cells having different shapes
(b) cells having similar shape
(c) cells having similar genetic constitution
(d) cells having different genetic constitutions

2. The pollen grains of flowers pollinated by insects are:

(a) smooth and dry
(b) rough and sticky
(c) rough and dry
(d) large and showy

3. Which one of the following substances is used for preservation of food grains?

(a) Sodium benzoate
(b) Vinegar
(c) Sodium chloride
(d) Potassium permanganate

4. The disease caused by Asbestos is

(a) Emphysema
(b) Paralysis
(c) Diarrhoea
(d) Dysentery

5. In the eye, colour vision is effected by the presence of

(a) Choroid coat
(b) Sclerotic coat
(c) Rods
(d) Cones

Railway Recruitment Board (RRB) NTPC Exams Study Kit

Answer:

1. (c) 2. (b) 3. (a) 4. (a) 5. (d)